reading the signal…
Signals / Object / Mapped places
in Gary, IN·counted·14 all time
An electrical supply rated at 138,000 volts, typically shown with high-voltage equipment and warning signs.
Counted, not streamed: 138000 Primary Voltage has no time series, so it is read as a footprint across places. All-time count by city.
Things that physically exist: street furniture, signs, buildings. All-time counts.